Silentnight
Eco Comfort Miracoil
- Open coil
- Firm · 8/10
- 22cm deep
3.9(540 reviews)
£309King — cheapest of 5
Example price5 retailers · 5 sizes
King size mattresses
A UK king measures 150 x 200cm — 15cm wider and 10cm longer than a double, which makes a noticeable difference for couples.
Example data. Prices, ratings, delivery details and retailer links on this page are placeholders used while we build the site. They are not real offers and no retailer has supplied them. Live pricing follows once retailer feeds are connected.
Silentnight
Studio Pocket 1200
- Pocket sprung
- Medium · 6/10
- 24cm deep
4.1(760 reviews)
£465King — cheapest of 5
Example price5 retailers · 5 sizes- Pocket sprung
- Firm · 8/10
- 26cm deep
4.2(410 reviews)
£694King — cheapest of 4
Example price4 retailers · 5 sizesEmma
Original
- Memory foam
- Medium · 6/10
- 25cm deep
4.3(3100 reviews)
£723King — cheapest of 4
Example price4 retailers · 5 sizesOTTY
Original Hybrid
- Hybrid
- Medium-firm · 7/10
- 25cm deep
4.5(2140 reviews)
£891King — cheapest of 3
Example price3 retailers · 5 sizesSealy
Nostromo Latex
- Latex
- Medium-firm · 7/10
- 24cm deep
4.0(230 reviews)
£930King — cheapest of 5
Example price5 retailers · 5 sizesSimba
Hybrid Original
- Hybrid
- Medium-firm · 7/10
- 25cm deep
4.4(1820 reviews)
£982King — cheapest of 5
Example price5 retailers · 5 sizesOTTY
Pure Hybrid
- Hybrid
- Medium · 6/10
- 28cm deep
4.4(680 reviews)
£1,034King — cheapest of 4
Example price4 retailers · 5 sizesEmma
Premium Hybrid
- Hybrid
- Medium-firm · 7/10
- 25cm deep
4.4(1260 reviews)
£1,068King — cheapest of 2
Example price2 retailers · 5 sizesSimba
Hybrid Pro
- Hybrid
- Medium · 6/10
- 28cm deep
4.5(940 reviews)
£1,389King — cheapest of 3
Example price3 retailers · 5 sizes
What to check for king size mattresses
- Measure the room, doorways and stairwell before ordering; rolled mattresses are easier to get upstairs than sprung ones.
- Check whether the price you are comparing includes delivery to a room of choice.